baber/WOPTO huggingface dataset:
Patent KR-20000004688-A (KR)
Title: Drum servo control device of a digital video cassette recorder
Inventor: JEONG WOO YOUNG
IPC: G11B15/18
Filed: 1998-06-30
Abstract: PURPOSE: A drum servo control device is provided to improve response characteristic of an inordinate response and a normal response using a place-type fussy controller and a speed-type fussy controller. CONSTITUTION: The drum servo control device comprises: a subtracter for subtracting an output phase(y) outputted from a drum servo(130) which is driven at a reference phase, to output an error(e); a place-type fussy controller(100) for performing a place control in response to the error(e) in accordance with a membership function by a magnitude of the error(e), to output a control input(u1); a speed-type fussy controller(110) for performing a speed control in response to the error(e) in accordance with a membership function by a magnitude of the error(e), to output a control input(u2); and an added value synthesizer(120) for adding an added value according to the error(e) for the control signals(u1, u2) to output a final control input(u) so as to be driven the drum servo(130).
Patent KR-20000009296-A (KR)
Title: Refining method of gold
Inventor: KIM CHI GWAN
IPC: C22B11/00
Filed: 1998-07-23
Abstract: PURPOSE: A refining method of gold by reduction-depositing a gold ion contained in a solution with concentrated sulfuric acid selectively is provided which can refine gold having above 99.9% purity. CONSTITUTION: A base metal having 85-98% of gold content is melted in aqua regia and filtrated to remove silver chloride. The filtrate is added with concentrated sulfuric acid to remove iron, copper, palladium, and platinum, and maintained at 200°C, reduction-depositing a gold ion selectively and generating sulfur dioxide. For an example, 10g base metal having a composition of Au 85.1%, Ag 14.1%, Fe 4,900 ppm, Cu 3,000 ppm, Pd 33 ppm, and Pt 67 ppm is poured in a container, added with 60 ml aqua regia, maintained at 90°C, and filtrated to remove silver chloride. The filtrate is added with 100 ml concentrated sulfuric acid, maintained at 90°C, stirred for 1 hr to remove nitric acid, heated to 200°C at a heating speed of 10°C/min to reduction-deposit a gold ion. The deposited gold contains Ag 59ppm, Pd 23 ppm, and Pt 23 ppm as impurities.
Patent KR-20000009316-A (KR)
Title: In-plane switching liquid crystal display device and method for fabricating same
Inventor: LEE CHANG HUN
IPC: G02F1/1343
Filed: 1998-07-23
Abstract: PURPOSE: An in-plane switching liquid crystal display device and a method for fabricating the same are provided to improve aperture of the liquid crystal display device, to prevent a gate pattern and a common pattern from being shorted, to block light for generating lateral crosstalk, and to minimize parasitic capacitance generated between a data line and a common electrode. CONSTITUTION: A gate line(200) in a horizontal direction, a gate pattern including a gate electrode(210), and a first data line(220) in a vertical direction are formed on a transparent insulating substrate(100). A common electrode line(800) in a horizontal direction and a common pattern are formed on a gate insulating film(300) which covers the gate pattern and the first data line. The common pattern includes a plurality of common electrodes connected through the common electrode line and parallel to one another. An interleaving insulating film(900) which covers the common pattern is formed on the gate insulating film at a thin thickness. A data pattern including a second data line, a source electrode corresponding to a part of the second data line, and a drain electrode opposite to the source drain around the gate electrode is formed on the interleaving insulating film. The second data line is formed along the first data line and is connected to the first data line through a contact hole formed in the interleaving insulating film and the gate insulating film. A pixel pattern including a plurality of pixel electrodes is formed on the interleaving insulating film. The pixel electrodes are alternately parallel to the common electrode and a pixel electrode line which overlaps the common electrode line, and are connected through the pixel electrode line.
Patent KR-20000009358-A (KR)
Title: Cooking pan using a thermo siphon
Inventor: AN DONG HO
IPC: A47J36/36
Filed: 1998-07-23
Abstract: PURPOSE: A cooking pan is provided which makes foods cooked throughly with a little heat, keeps the foods own shapes by removing convection effect and maintains temperature after removing a heat source. CONSTITUTION: The cooking vessel comprises an inner vessel(21) and an outer vessel(22). The inner vessel(21) contains foods and the outer vessel(22) absorbs heat from the heat source. The inner vessel(21) and the outer vessel(22) are joined in order to form a closed space, in which an acting fluid(14) is mixed with methyl alcohol, carbon powder and water in proper rates respectively in proper vacuum pressure.
Patent KR-20000012940-A (KR)
Title: Module integration circuit test apparatus of module integration circuit handler
Inventor: SONG GI YEONG
IPC: G01R31/26
Filed: 1998-08-03
Abstract: PURPOSE: A module integration circuit test apparatus is provided to reduce loading and unloading time of module integration circuit(IC) by inserting a module IC into a test socket including a terminal directly. CONSTITUTION: The module IC test apparatus comprises a pair of guide(17) deciding again a location of a plural of a module IC(1) formed and loaded to capable of advancing and retreating to base(14), driver moving the guide in advance and retreat simultaneously, a test socket(16) formed in a directly under direction, for the module IC loaded to conduct with a tester electrically, and a delivering tool formed on a socket block(25) having the test socket, for the module IC loaded in the test socket to be delivered before unloading. The IC module is loaded by a pickup section and inserted in the test socket(16) directly.
Patent KR-20000019498-A (KR)
Title: Bell sound record and revival apparatus of mobile communication terminal
Inventor: YOO BYOUNG WOOK
IPC: H04B7/26
Filed: 1998-09-11
Abstract: PURPOSE: A bell sound record and revival apparatus of a mobile communication terminal is provided to easily divide own bell sound from a bell sound of other user. CONSTITUTION: A bell sound record and revival apparatus of a mobile communication terminal includes a key input part(20), a mike, memory part(60), control part(30), codec(50), and vocoder(40). The key input part(20) is to change an operation mode of the mobile communication terminal to a bell sound record or the bell sound revival mode. A music sound or voice which is selected by user is collected by the mike. The memory part is to store the bell sound which is collected by the mike. The control part is to change the terminal to a bell sound record mode or a bell sound revival mode according to an operation of the key input part. The codec is to change the bell sound signal which is collected by the mike to a digital signal or a bell sound signal which is stored in the memory part to an analog signal according to a mode change of the control part, and offer an output to a speaker. The vocoder is to compress a bell sound signal changed with a digital signal to store to the memory part or restore the compressed bell sound signal which is stored to the memory part to offer an output to the codec. When a call connection signal is to call oneself, a bell sound signal which is stored to the memory part is read and applied to vocoder
Patent KR-20000019519-A (KR)
Title: Method for producing very fine polyester fiber
Inventor: SON YANG KUK
IPC: D01F6/02
Filed: 1998-09-12
Abstract: PURPOSE: A method for producing a very fine polyester fiber is provided to economically and efficiently produce a very fine filament without a single yarn, noils, and a flame. CONSTITUTION: A very fine filament having a fineness of single yarn under 0.5deniers and the number of filament over 100 is produced by melt-spinning at the 290-310°C spinning temperature after drying a polyester polymer having the ethylene terephthalate as a main unit body and the 0.62-0.66 natural viscosity under 30ppm. A used spinneret(1) is 2.0-4.0 L/D(The L is the length of a hole, and the D is the diameter of the hole.) of the hole of spinneret. To stably spin the very fine filament under 0.5deniers, the range of the whole size of porous plate(2) and inhaling hole(2') and the whole surface size of porous plate(2) is 20-70%, and the length of porous plate(2) is 250-600mm.
Patent KR-20000021848-A (KR)
Title: Method for forming silicide of semiconductor device
Inventor: PARK YANG SU
IPC: H01L21/28
Filed: 1998-09-30
Abstract: PURPOSE: A method for forming a silicide of a semiconductor device is provided to prevent a knock-on phenomenon generates by impurities of high concentration implanted for forming a source/drain. CONSTITUTION: A method for forming a silicide of a semiconductor device comprising the steps of: forming a metal layer(9) by sputtering a metal element of 8-group on a semiconductor substrate(1) having field oxide(2), gate(3) and source/drain region(4); forming a silicide(11) layer by thermally treating the resultant structure having the metal layer(9); forming a source/drain(10) by implanting impurity ions on the whole surface of the resultant structure having the silicide layer(11) with high concentration; thermally treating the resultant structure having the source/drain(10); and removing the metal layer(9).
Patent KR-20000028474-A (KR)
Title: Searching and reproducing method for video cd system
Inventor: SON TAE YONG
IPC: G11B20/10
Filed: 1998-10-31
Abstract: PURPOSE: A searching and reproducing method for video CD system is provided to quickly and conveniently perform a searching and a reproduction by storing a program with a specific section to a memory and reproducing the program stored in the memory when needing a production to the corresponding section. CONSTITUTION: A control unit stores TOC information provided from a video CD player to a first memory when a disk is mounted on a video CD system(S1,S2). The control unit controls a reproduction of the video CD player based on TOC information stored in the first memory when a reproducing key is provided(S3,S4). The control unit searches a second memory to identify as to whether a program is stored in the second memory when a storing start key is inputted(S5,S6). The control unit resets the second memory when the program is stored in the second memory, and receives a program data from the video CD player to stored the received program data to the second memory(S7,S8). The control unit compares a total storing capacity of the second memory with an amount of current stored data and checks an input of a storing end key(S9,S10). The control unit stops a storing operation when the storing end key is inputted(S11).
Patent KR-20000031129-A (KR)
Title: Grouping and ungrouping method of sector-cell using divider in cellular mobile telecommunication system
Inventor: KIM TAE HYUN
IPC: H04B7/155
Filed: 1998-11-03
Abstract: PURPOSE: A grouping and ungrouping method of sector-cell using divider in cellular mobile telecommunication system is provided to group plural sector-cells into single omni-cell and ungroup the single omni-cell into plural sector-cells. CONSTITUTION: A grouping and ungrouping method of sector-cell using divider in cellular mobile telecommunication system comprises steps of: selecting a first sector-cell using the divider; transmitting the first pilot signal of the selected first sector-cell; sensing the first pilot signal by a mobile phone; assigning a traffic channel corresponding to the reference pilot signal to a mobile phone; communicating with a base station; decreasing the strength of a first pilot signal transferred through the transmitter/receiver and the relay station; sensing the decrease of the first pilot signal; sustaining only a channel corresponding to the reference pilot signal; and communicating with the base station.
Patent KR-20000032245-A (KR)
Title: Optical scanning apparatus capable of compensating bow of scan line
Inventor: EOM JAE YONG
IPC: G03G15/04
Filed: 1998-11-13
Abstract: PURPOSE: An optical scanning apparatus is to provide a relatively straight scan line by decrease bow caused by a deflecting disc. CONSTITUTION: An optical scanning apparatus comprises a light source(10), a deflecting disc(11), rotatable provided above the light source, for diffracting a light beam, a motor for driving the deflecting disc, a number of reflective members for reflecting the light beam radiated from the deflecting disc, and a correcting member for compensating the light beam. The correcting member includes a collective mirror(15) for collecting and reflecting the right beam radiated from the deflecting disc, and a hologram device(16) for diffracting the right beam. The mirror is a rounded mirror(13',14'). The rounded mirror is bent in a direction of an X-axis and a Y-axis. The light beam radiated from the light source through the deflecting disc is reflected in a state of a straight scan line by passing through the rounded mirror.
Patent KR-20000033816-A (KR)
Title: Device for adjusting full level of dehumidifier water
Inventor: KWAK MYUNG GON
IPC: F24F13/00
Filed: 1998-11-26
Abstract: PURPOSE: A water level control device of dehumidifier is provided to select the level of condensed water to be received in a water container by coupling a float of which length is selectively adjusted according to the selected water level with the water container. CONSTITUTION: A water level control device of dehumidifier includes a float(121) of which length is flexibly adjustable according to multi levels of water for receiving condensed water generated in an evaporator in a water container(110), and a length adjustable element for adjusting the length of the float, wherein the length adjustable element includes a middle-step float(141) having a plurality of first protrusions(142) to be inserted into a first coupling groove(135) formed on an inner periphery of a first-step float(131) and a second coupling groove(143) formed on an inner periphery thereof, a final-step float(151) formed with a plurality of second protrusions(152) to be inserted into the second coupling groove of the middle-step float, an element for preventing deviation of the middle and final step floats outside, and a float folding element for folding the middle and final step floats in the first-step float.
Patent KR-20000038592-A (KR)
Title: Candida sp. sy16 having emulsifying activity and method for treatment of oil pollution source using the same
Inventor: KIM GYEONG SU
IPC: C12N1/20
Filed: 1998-12-08
Abstract: PURPOSE: Candida sp. SY16 (KCTC 0483BP) is provided which has an excellent emulsifying activity, so that it can be used for treatment of oil pollution source. CONSTITUTION: Candida sp. SY16 (KCTC 0483BP) is isolated from oil-polluted soil. It grows using water-insoluble hydrocarbon as substrate, and has an emulsifying activity. It is isolated by the following steps: 1) the first selection of the strains using crude oil or hexadecane as substrate. 2) the second selection through tests of oil film destruction, surface tension, and emulsifying activity with liquid media including glucose, hexadecane, and bean oil. 3) the selection of the strain having the most excellent emulsifying activity against each medium including one of glucose, hexadecane, bean oil, and crude oil.
Patent KR-19990024172-A (KR)
Title: 미생물접촉재를 이용한 하천 정화방법 및 그 장치
IPC: C02F3/10
Filed: 1998-12-16
Abstract: 본 발명은 시공하고자 하는 하천의 일부분씩을 낙차공보로 구획하는 단계, 미생물접촉재 지지막대를 하천의 양쪽 바닥에 깊게 준설하는 단계, 상기 미생물 접촉재 지지막대 사이에 가로막대를 고정시키는 단계 및 상기 양측 가로막대에 미생물 접촉재를 수류방향으로 상류에서 하류로 케이블타이로 결속시키는 단계를 포함하여 구성됨을 특징으로 하는 미생물접촉재를 이용한 하천 정화방법 및 그 장치를 제공하는 것으로, 본 발명의 방법은 시공이 간단 저렴하며, 유지관리가 간편하고, 토사유출 및 하천 유량변화에 대한 대응력이 우수하며 인공하천은 물론 자연하천에도 적용될 수 있는 이점을 갖는다.
Patent KR-20000040134-A (KR)
Title: Lawn naturalizing fabric and lawn planting method using the fabric
Inventor: KIM IN SOO
IPC: A01G1/00
Filed: 1998-12-17
Abstract: PURPOSE: A lawn naturalizing fabric is produced to provide the method to prepare lawn grass for Large-scale area such as airport or golf field. The lawn naturalizing fabric has no damage to origin ground, can be recycled after using, and be planted on bending part. CONSTITUTION: A lawn naturalizing fabric consists of the fabric made of natural fiber and lawn stalks attached at certain intervals. The fabric is woven of natural fiber such as yellow hemp of 2-3mm diameters at intervals of 7-8mm. Lawn stalks which are cut in about 20cm length to have 2-4 nodes are attached on the fabric with natural adhesives such as rice paste. The yellow hemp fabric decomposes in 2 months after naturalizing. And the fabric can be woven by attaching the fabric of coconut husk on pulp crosswise, and attaching fine texture of coconut husk with natural adhesives to add adhesion to pulp. The pulp and coconut husk fabric decompose in 2 years after naturalizing.
Patent KR-20000040810-A (KR)
Title: Preparation of conductive auxiliary containing high purified kcl from neutral waste liquid occurring and utilizing zn-ni plating waste liquid as ferrite source
Inventor: JANG JI SU
IPC: C01D3/04
Filed: 1998-12-19
Abstract: PURPOSE: A preparation of conductive auxiliary containing high purified KCl, which is induced from neutral waste liquid occurring and utilizing Zn-Ni plating waste liquid as ferrite source, is provided to maintain 0.025 of NH4/(K+NH4) in amounts of NH4¬+ and K¬+ and 1ppm or less in amounts of heavy metals, and give the thus-obtained various economical benefits as well. CONSTITUTION: A preparation is comprised of the following steps. First, Zn-Ni plating waste liquid is added to neutral waste liquid containing an alkaline NH4Cl and KCl to satisfy 0.025 of NH4/(K+NH4) as Zn-Ni ferrite source and meet the ranges to be saturated KCl concentration or less in temperatures of the waste liquid. After the added low purified KCl is fully dissolved, any metal slurry impurities formed as being added with KCl are also removed. The high purified alkaline neutral filtration obtained thereby is added by chloric acid to control pH 6 to 8 thereof. Thereafter, the resultant is vaporized, concentrated or crystallized to give the mixed powder of KCl and NH4Cl.
Patent KR-20000041936-A (KR)
Title: Two-way clutch assembly of belt-typed continuously variable transmission for vehicle
Inventor: JEONG JAE CHEOL
IPC: B67D7/08
Filed: 1998-12-22
Abstract: PURPOSE: A two-way clutch assembly of a belt-typed continuously variable transmission for a vehicle is provided to increase a contact force by improving a contact structure about a wavespring, and to improve performance of a two-way clutch, as a result, to prevent a breakdown basically. CONSTITUTION: A two-way clutch assembly of a belt-typed continuously variable transmission for a vehicle comprises: a wavespring (211) to press and fix an output gear on a bracket (210); a wavespring (212) to press and fix a switching plate (300) between an input gear and a retainer. Where the wavesprings comprise spring plate rings, like a couple of wave typed plate. One of two rings has a catching sill of curve-type (411) and a catching groove (412), the other has a catching groove(413) corresponding to the catching sill (411) and a catching sill (414) corresponding to the catching groove (412).
Patent KR-20000042021-A (KR)
Title: Structure for preventing friction of gas spring for vehicle
Inventor: KIM DAE KYEONG
IPC: F16F9/00
Filed: 1998-12-24
Abstract: PURPOSE: A friction preventing structure of a gas spring for a vehicle is provided to prevent friction occurring in the rotation of a ball joint by coating grease that is a lubricant after forming many friction grooves on the outside diameter of a ball of a ball joint inserted to a ball seat of a gas spring. CONSTITUTION: On opening upward a hatch bag type trunk lid(T/D), first and second rods(20,20a) in the both sides in a cylinder(10) of a gas spring(1) fixed to the trunk lid and a vehicle body(B/D) by a combining member(62) of ball joints(60,60a) move upward, downward, and outward. Ball seat housings(30,30a) move upward, downward, and outward. Thus, the first rod and the second rod are inserted to insertion grooves(31) in the ball seat housings. Ball seats(40,40a) restrained not to be displaced upward are moved upward, downward, and outward. A ball(61) of the ball joints rotates along a circular recessed groove(41) of the ball seats. The combining member protruded on the upper part of the ball joints moves upward, downward, and outward by centering on the ball. Thereby, the trunk lid is opened. Herein, grease that is a lubricant is coated by forming many friction grooves on the outside diameter of the ball thus friction heat generating due to the ball rotating along the circular recessed groove is prevented. Thereby, durability of a gas spring is improved.
Patent KR-20000042623-A (KR)
Title: Target apparatus for electro optical distance measurement
Inventor: HWANG HAK
IPC: G01C3/16
Filed: 1998-12-26
Abstract: PURPOSE: A targeting apparatus for electro-optical distance measurement is provided to precisely measure an initial value of a displacement of a cavity in a tunnel by achieving a targeting within 12 hours from excavating. CONSTITUTION: A targeting apparatus(100) for electro-optical distance measurement includes a supporting die(120) having an end part supporting a reflection prism(110) and the other end part hinge coupled at an inner side surface of a tunnel(200) for positioning the reflection prism, a reflection prism protecting plate(130) movably mounted at one side of the reflection prism for preventing damage of the reflection prism at blasting, and a fixing element for fixing the supporting die on the inner side surface of the tunnel, wherein the fixing element includes a fixing part(152) to be fixed in the tunnel by being inserted and a bolt part(154) to be inserted in the fixing part.
Patent KR-20000043242-A (KR)
Title: Apparatus for manufacturing semiconductor device
Inventor: KIM JIN SU
IPC: H01L21/027
Filed: 1998-12-28
Abstract: PURPOSE: An apparatus for fabricating a semiconductor device is provided to improve critical dimension uniformity and pattern fidelity by controlling an exposure energy according to a thickness of photoresist applied to a wafer. CONSTITUTION: An apparatus includes a coat/development unit(1) and an exposure unit(3). When a semiconductor wafer is supplied, a desired photoresist material is coated on a surface of the wafer in the coat/development unit(1). The coated photoresist is then exposed in the exposure unit(3) to transfer a predetermined pattern onto the photoresist. The exposed photoresist is then developed in the coat/development unit(1). In particular, the apparatus further includes a measuring unit(15) for measuring a thickness of the coated photoresist, a transfer unit for transferring a measuring information to the exposure unit(3), and a control unit for controlling an exposure energy according to the measuring information. The measuring unit(15) is disposed inside the coat/development unit(1) or alternatively between the coat/development unit(1) and the exposure unit(3).
Patent KR-20000043401-A (KR)
Title: Method for controling unevenness of laundry
Inventor: KIM JUM GAP
IPC: D06F33/04
Filed: 1998-12-29
Abstract: PURPOSE: A method for controling unevenness of the laundry is provided which can do the hydroextract stably by maintaining even state of the laundry in a short time through supplying water and discharging water. CONSTITUTION: A method for controling unevenness of the laundry is comprised of: a stage to decide whether the laundry is placed unevenly; a stage to finish washing the laundry after hydroextracting, rinsing and hydroextracting if the laundry is placed evenly and to carry out supplying water again and make the pulsator operate intermittently if the laundry is placed unevenly; a stage to discharge water and make the pulsator operate if the water level by the same stage is reached to the designated level; and a stage to carry out weak hydroextract if the same discharging water is finished.